Home / 497,600,761.20-746,401,141.80-316,650,130.80

Finding the Fourth Proportional to 497,600,761.20, 746,401,141.80 and 316,650,130.80

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Solution

The fourth proportional to 497,600,761.20, 746,401,141.80 and 316,650,130.80 is: 474,975,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,600,761.20 : 746,401,141.80 = 316,650,130.80 : x
  2. Step 2: Convert to fraction form
    497,600,761.20/746,401,141.80 = 316,650,130.80/x
  3. Step 3: Cross multiply
    497,600,761.20x = 746,401,141.80 × 316,650,130.80
  4. Step 4: Simplify right side
    497,600,761.20x = 236,348,019,180,239,328
  5. Step 5: Solve for x
    x = 236,348,019,180,239,328/497,600,761.20
  6. Step 6: Final answer
    x = 474,975,196.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.